# from flask import current_app as app
from flask import Blueprint, request, current_app, make_response
from xlrd import open_workbook
# from utiles.db import db1
import os
from utiles.myfile import myf
from io import BytesIO
from xlrd import open_workbook
from urllib.parse import quote
import xlsxwriter
import datetime
import mimetypes
bp_company = Blueprint("company",__name__)
import time

def timer(func):
    def wrapper(*args,**kargs):
        stime = time.time()
        func(*args,**kargs)
        endtime = time.time()
        t = endtime-stime
        print('执行了'+str(t)+'秒')
        return func(*args,**kargs)
    return wrapper




#上传excel,并导入数据库
@bp_company.route('/upload',methods=['POST','GET'])
def upload():
    # #获取文件
    # file = request.files['file']
    # newname = myf.rename(file.filename)
    # #上传文件
    # file.save(os.path.join('./static/files/'+newname))
    #打开文件读取
    newname = '1559d8529d374dc0b7c857fc7f48f6f9.xls'
    name = 'static/files/'+newname

    bk = open_workbook(name, encoding_override='utf-8')
    sh = bk.sheets()[0]
    nrows = sh.nrows
    ncols = sh.ncols
    for i in range(1, nrows):
        row_date = sh.row_values(i)
        print(row_date[0])
        print(row_date[1])
    return 'ok'
    #封装数据写入数据库


@bp_company.route('/download', methods=["GET", "POST"])
def download():
    # 实例化二进制数据
    out = BytesIO()
    # 创建一个Excel实例
    workbook = xlsxwriter.Workbook(out)
    # 添加一个sheet，add_worksheet()，默认"Sheet1"，可自定义命名，add_worksheet("资产列表")
    table = workbook.add_worksheet()
    # table.write(行, 列, 字段名)
    # 行、列从 0 开始计数
    # 字段命名根据每个人使用情况而定，插入数据部分也是

    table.write(0, 0, "资产编号")
    table.write(0, 1, "资产名称")

    workbook.close()
    filename = quote("资产列表_{}.xls".format(datetime.datetime.now().strftime("%Y%m%d%H%M%S")))
    file = make_response(out.getvalue())
    out.close()
    mime_type = mimetypes.guess_type('%s.xls' % filename)[0]
    file.headers['Content-Type'] = mime_type
    file.headers["Cache-Control"] = "no-cache"
    file.headers['Content-Disposition'] = "attachment; filename*=utf-8''{}".format(filename)
    return file